Donor rolls with exterior commutation

Details Donor rolls with exterior commutation Donor rolls with exterior commutation

1995-09-25

1997-02-04

Ramirez, Nestor R.

Electrophotography

Image formation

Development

310231, 310236, G03G 1506

Patent

active

056004184

ABSTRACT:
A donor roll for transporting marking particles to an electrostatic latent image recorded on a surface is provided. The donor roll is adaptable for use with a power source to assist in transporting the marking particles. The donor roll includes a rotatably mounted body having a particle transportation portion, a support portion adjacent the particle transportation portion, and an external portion adjacent the support portion and spaced from the particle transportation portion. The donor roll further includes an electrode member mounted on the body and an electrical connector associated with the support portion of the body and electrically connected to the electrode member. The electrical connector is adapted to be electrically connectable to the power source.

REFERENCES:
patent: 3257224 (1966-06-01), Jons et al.
patent: 3980541 (1976-09-01), Aine
patent: 3996892 (1976-12-01), Parker et al.
patent: 4868600 (1989-09-01), Hays et al.
patent: 5172170 (1992-12-01), Hays et al.
patent: 5268259 (1993-12-01), Sypula
patent: 5289240 (1994-02-01), Wayman
patent: 5394225 (1995-02-01), Prker
patent: 5515142 (1996-05-01), Rommelmann
patent: 5517287 (1996-05-01), Rodriguez et al.

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